1. CAUSES AND EFFECTS OF WATER POLLUTION IN SOCIETIES
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- BACKGROUND OF THE STUDY
- BACKGROUND OF THE STUDY
Water can be said to be polluted when there is an introduction of a harmful substances in such a way that its natural qualities are so altered as to impure its usefulness or render i...
2. AN EXAMINATION ON THE REDUCTION OF OIL SPILLAGE USING WOOD PLASTIC COMPOSITE FROM SAW DUST, WHITE SAND AND LOW DENSITY POLYETHYLENE WASTE
BACKGROUND OF STUDY
Composite is the mixture of a matrix and a reinforcement, which when combined produces qualities superior to those of the separate components (Adebajo, 2022). (Adebajo, 2022). Wood plastic composite (WPC) is consequently a mixt...
3. THE IMPACT OF EFFECTIVE PLANNING AND CONTROL ON THE PURCHASING ACTIVITIES OF A MANUFACTURING COMPANY (CABUARY LTD AS A CASE STUDY)
ABSTRACT
A company will have stated objectives, but the individual manager must interpret what company officials actually say and do. For example: chief executive financial officers (CFOs), backed by the law of the land, will usually stress their responsibility to the stockholders. But...
4. A STUDY ON THE MODIFICATION, CHARACTERISATION AND APPLICATION OF COCONUT WASTES AS FILLERS IN RUBBER COMPOUNDING
ABSTRACT
In this study, coconut palm wastes were obtained, washed to remove sands and debris and then dried at 95oC for 1 hr to remove surface moisture. Filler modifications through carbonisation were done at varying temperatures of 300oC, 400oC, 500oC, 600oC and 700oC....
5. A STUDY OF MODIFICATIONS OF FILLER DIMENSIONS AND THE EFFECT OF PHYSICAL AND MECHANICAL PROPERTIES OF PINEAPPLE LEAF FIBRE REINFORCED POLYPROPYLENE COMPOSITES
ABSTRACT
This research studied the effect of filler dimensions on some major properties of pineapple leaf fibre-reinforced polypropylene composites. In this study, composites of PALF/PP were produced, the PALF were extracted from pineapple leaves. This was achieved by adopting the mecha...
6. DEVELOPMENT AND CHARACTERISATION OF EPOXY/BORASSUS PALM (Borassus aethiopum Mart.) LEAF STALKFIBRE REINFORCED COMPOSITE
Excerpt from the Study
This work was aimed at developing and characterising epoxy/BPLSF reinforced composite by hand lay-up method.At the end of the study, the following conclusions were made.
i. Characterisation of untreated and treated fibre confirmed the et...
7. DEVELOPMENTAND CHARACTERIZATION OF BIOCOMPOSITES FROM POLYLACTIC ACID AND GROUNDNUT SHELL ASH NANOPARTICLES
STATEMENT OF PROBLEM
Nanocomposite is a class of composites in which the dimensions of the reinforcing particles are in the order of 1-100 nanometers. Because of this nanometer size characteristic, nanocomposites possess superior properties to the conventional composite...
8. DEVELOPMENT OF BAOBAB/SISAL REINFORCED LOW DENSITY POLYETHYLENE HYBRID COMPOSITE
Abstract
In this work, the properties of baobab/sisal fibre reinforced low density polyethylene hybrid composites were studied. The effect of fibre loading and fibre treatment with varying sodium hydroxide (NaOH)concentration on the composite properties was investigated...
9. EFFECTS OF FIBRE HYBRIDIZATION ON THE PROPERTIES OF NATURAL FIBRE FILLED EPOXY COMPOSITES
ABSTRACT
The problems of low mechanical properties of composites reinforced with fibres of natural origin have been a source of concern for researchers. Also, the insufficient utilization of bagasse fibres due to its moderate strength has further reduced its potentialities in composite...
10. EFFECT OF DATE SEED POWDER FILLER ON PROPERTIES OF HIGH-DENSITY POLYETHYLENE
ABSTRACT
High-density polyethylene composites of date seed powder were prepared at filler loadings of 0 to 40wt%. The particle sizes of the date seed powder investigated were 72, 125, 150 and 180µm. Calcium carbonate was used as a reference filler. The high- density polyethylene c...
11. SYNTHESIS, FORMULATION AND CHARACTERIZATION OF PHENOL FORMALDEHYDE/CHITOSAN COMPOSITES
Abstract
The methodology of the experiment involves three main stages. The first part describes the synthesis of the PF (novolac) resins. Novolac (resins) were prepared with an excess of phenol over formaldehyde under acidic conditions. PF molar ratio were varied from 1P:2F to 1P:8F. Th...
12. THE DEVELOPMENT OF Al-5%Cu/GRAPHITE PARTICULATE COMPOSITES FOR ENGINEERING APPLICATIONS
ABSTRACT
A method of preparing cast aluminium alloy – graphite particulate composite using uncoated graphite with the addition of 1wt% magnesium to aid wettability was studied. The method consists of introducing and dispersing uncoated but pre-treated graphite particles in alumini...
13. DEVELOPMENT OF BIOSURFACTANTS-IRON OXIDE NANOPARTICLESBIOCHAR FORMULATION FOR REMEDIATION OF CRUDE OIL CONTAMINATED SOIL
ABSTRACT
Biosurfactant-mediated degradation of contaminants is practical and safe environmental remediation agent. In addition, iron oxide nanoparticles and biochar are bioremediation agents with great potentials due to their strong adsorption capacity, microbial growth enhancement and...
14. DEVELOPMENT OF CAR PISTON MATERIAL FROM ALUMINIUM ALLOY USING COCONUT SHELL ASH AS AN ADDITIVE
ABSTRACT
This research presents the development of a piston material from aluminium alloy using coconut shell ash as an additive. Most damage pistons reported in literature are as a result mechanical fatigue due to wear and thermal fatigue. Investigations revealed that aluminium alloys...
15. DEVELOPMENT OF AUTOMOTIVE BRAKE PAD FROM COMPOSITES OF SHEA NUT (VITELLARIA PARADOXA) SHELL AND COW HOOF (BAUHINIA UNGULATA)
ABSTRACT
This research work used shea nut (vitellaria paradoxa) shell and cow hoof (bauhinia ungulata) as the reinforcement materials in the production of automotive brake pads. Taguchi method of experimental design and grey relational analysis were used to determine the optimal values...
16. EFFECT OF GLYCEROL AND SHEA BUTTER ON THE PROPERTIES OF FILMS PRODUCED FROM CHITOSAN AND Borassus aethiopum STARCH COMPOSITES
ABSTRACT
The concern in environmental waste management and toxicity of petroleum derived plastics has led to the search for renewable, nontoxic and biodegradable materials for packaging. Starch is the most studied and promising biopolymer for the production of biodegradable films, but t...
17. EVALUATION OF THE MECHANICAL PROPERTIES OF KENAF BIO FIBROUS CONCRETE COMPOSITES CONTAINING SORGHUM HUSK ASH
Statement of the Research Problem
The growth in global population and income in the twenty-first century has increased the need for sustainable materials. These requirements occur as a result of landfills piling up due to massive depositions of accumulated garbage, the earth's envir...
18. PREPARATION AND CHARACTERISATION OF PLANTAIN WASTE BASED CELLULOSIC NANOCOMPOSITES FOR THE REMOVAL OF SELECTED HEAVY METALS FROM BATTERY EFFLUENT
ABSTRACT
In this study, Ag NPs and Ag-CNCs impregnated on CNTs nano adsorbents were developed using a combination of green chemistry protocol and chemical vapor deposition techniques and subsequently characterized using, HRTEM, HRSEM, XRD, EDS and SAED. The adsorption capability of silv...
19. Production of Wood Polymer Composite from African Copaiba Balsam (Daniella oliveri) Wood Dust : Effects of Wood Dust Particle Size Distribution and Content
ABSTRACT
This thesis explore the effects of wood dust particle size distribution and contents on the functional properties of wood plastic composites WPCs prepared from virgin high density poly-ethylene (vHDPE) and dilute sodium hydroxide (NaOH) treated African Copaiba Balsam (Daniella...
20. STUDY OF PHOTOCATALYTIC AND ADSORTIVE BEHAVIOUR OF PURE ZIRCONIUM OXIDE AND CARBON-SULPHUR CO-DOPED ZIRCONIUM OXIDE NANOCOMPOSITES FOR PURIFICATION OF DYE WASTEWATER
ABSTRACT
In this work, ZrO2 nanoparticles were synthesized by green method using Plumeria acuminata leaf extract via the variation of pH. Subsequently, carbon and sulphur were incorporated onto the lattice layer of the prepared ZrO2 nanoparticles by wet impregnation method. The prepared...
21. SYNTHESIS AND CHARACTERIZATIONS OF ZnO AND ZnO/CNT NANOCOMPOSITES FOR APPLICATION IN SOLAR CELL
ABSTRACT
Low power conversion efficiency resulting from recombination of photogenerated charges in TiO2 based photovoltaic devices has caused serious challenges in photoelectrode efficiency of such devices. Hence the need to replace TiO2 with ZnO and the composite of Zinc Oxide and Carb...
22. DEVELOPMENT AND CHARACTERISATION OF BANANA PEDUNCLE FIBRE REINFORCED POLYESTER COMPOSITES USING COW HORN ASH PARTICLES AS FLAME RETARDANT ADDITIVE
Statement of Problem
It would be difficult to imagine how modern life across the globe would operate in theabsence of synthetic polymers. Although these materials (mostly in the form of plastics) haverevolutionized our daily lives, there are consequences to their use, one of these being...
23. EFFECT OF CHEMICAL TREATMENTS OF NATURAL FIBERS ON THE PHYSIO-MECHANICAL PROPERTIES OF REINFORCED HIGH DENSITY POLYETHYLENE COMPOSITES
Significance of the work
In this research, four natural fibers were used as the main reinforcements with high density polyethylene (HDPE) as the matrix. This research will solve the problems of using natural fibers as reinforcements by investigating the optimum conditions for treating t...
24. MODELLING MECHANICAL PROPERTIES OF SELECTED NATURAL FIBER REINFORCED COMPOSITES FOR AUTOMOBILE APPLICATION
Statement of the Problem
Althoughtremendous research results have been published regarding natural fiber mercerization treatment, which is the primary fiber treatment technique,there are still scanty works conducted in dealing with interaction of factors and optimizing the mercerization...
